Gates 21C4140 G-Force C-12 CVT Belt , Black Description G-Force C12 belts were the first CVT belt utilizing carbon tensile cord for high modulus and extraordinary strength. This high-performance Neoprene and aramid fiber-loaded rubber belt offers Original Equipment technology. The advanced carbon tensile cords are surrounded by specially formulated adhesion gum to reduce edge cord pullout and increase belt life. Features: STRENGTH: The first CVT belt utilizing carbon tensile cord for minimal stretch and extraordinary strength FLEXIBILITY: High-performance neoprene with a trapezoidal topnotch and rounded bottom cog design maximizing heat control and flexibility DURABILITY: Carbon tensile cords are bonded to aramid fiber-loaded rubber with specially formulated adhesion gum, resulting in increased side-load resistance, preventing belt distortion and edge cord pullout PERFORMANCE: Gain optimal power transmission for faster acceleration, improved throttle response and consistent shifting performance If your machine is over 800cc, consider G-Force Redline CVT belt Product Details: Brand: Gates Material: Neoprene, Rubber Item Weight: 1 Pounds Color: Black Manufacturer: ‎Gates Brand: ‎Gates Model: ‎G-Force C12 Continuously Variable Transmission (CVT) Belt Item Weight: ‎1 pounds Item model number: ‎21C4140 Is Discontinued By Manufacturer: ‎No Exterior: ‎Machined Manufacturer Part Number: ‎21C4140 OEM Part Number: ‎3211148 Date First Available: April 19, 2013